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  3. FRewindData

FRewindData

Unreal Engine C++ API Reference > Runtime > Chaos

References

   
Module Chaos
Header /Engine/Source/Runtime/Experimental/Chaos/Public/RewindData.h
Include #include "RewindData.h"

Syntax

class FRewindData

Constructors

  Type Name Description
Public function  

FRewindData ( FPBDRigidsSolver* InSolver,
int32 NumFrames,
bool InResimOptimization,
int32 InCurrentFrame
)

  

Functions

  Type Name Description
Public function void  
Public function void

AddInputsHistory ( const TSharedPtr< FBaseRewindHistory >& InputsHistory
)

 Add Inputs history to the rewind datas for future use while resimulating
Public function void

AddStatesHistory ( const TSharedPtr< FBaseRewindHistory >& StatesHistory
)

 Add states history to the rewind datas for future use while rewinding
Public function void

AdvanceFrame ( FReal DeltaTime,
const CreateCache& CreateCacheFunc
)

  
Public function void

ApplyInputs ( const int32 ApplyFrame,
const bool bResetSolver
)

 Apply the inputs from all the history Inputs datas
Public function void  
Public function Const int32  
Public function void Clear all the simulation history after Frame
Public function Const int32  
Public function void

DumpHistory_Internal ( const int32 FramePrintOffset,
const FString& Filename
)

  
Public function void

ExtendHistoryWithFrame ( const int32 Frame
)

 Extend the current history size to be sure to include the given frame
Public function void

ExtractHistoryState ( FGeometryParticleHandle& Handle,
int32& PositionValidCount,
int32& VelocityValidCount,
int32& PositionNextIterator,
int32& VelocityNextIterator
)

 Extract some history information before cleaning/pushing state
Public function int32

FindValidResimFrame ( const int32 RequestedFrame
)

 Find the first previous valid frame having received physics target from the server
Public function void  
Public function Const IResimCacheBase *  
Public function Const FReal

GetDeltaTimeForFrame ( int32 Frame
)

  
Public function Const int32  
Public function Const int32  
Public function Const int32 Number of particles that we're currently storing history for.
Public function Const FJointState Query the state of joints from the past. Can only be used when not already resimming
Public function Const FGeometryParticleState Query the state of particles from the past. Can only be used when not already resimming
Public function int32 Get and set the frame we resimulate from
Public function Const const FPBDRigidsSolver * Return the rewind data solver
Public function void

Init ( FPBDRigidsSolver* InSolver,
int32 NumFrames,
bool InResimOptimization,
int32 InCurrentFrame
)

  
Public function Const bool  
Public function Const bool

IsResim ()

  
Public function void  
Public function void  
Public function void

PushGTDirtyData ( const FDirtyPropertiesManager& SrcManager,
const int32 SrcDataIdx,
const FDirtyProxy& Dirty,
const FShapeDirtyData* ShapeDirtyData
)

  
Public function void

PushPTDirtyData ( TPBDRigidParticleHandle< FReal, 3 >& Rigid,
const int32 SrcDataIdx
)

  
Public function void

PushStateAtFrame ( FGeometryParticleHandle& Handle,
int32 Frame,
FFrameAndPhase::EParticleHistoryPhase Phase,
const FVector& Position,
const FQuat& Quaternion,
const FVector& LinVelocity,
const FVector& AngVelocity,
const bool bShouldSleep
)

 Push a physics state in the rewind datas at some frame
Public function void

RemoveInputsHistory ( const TSharedPtr< FBaseRewindHistory >& InputsHistory
)

 Remove Inputs history from the rewind datas
Public function void  
Public function void  
Public function void

RemoveStatesHistory ( const TSharedPtr< FBaseRewindHistory >& StatesHistory
)

 Remove states history from the rewind datas
Public function void

RestoreHistoryState ( FGeometryParticleHandle& Handle,
const int32& PositionValidCount,
const int32& VelocityValidCount,
const int32& PositionNextIterator,
const int32& VelocityNextIterator
)

 Restore some history information after cleaning/pushing state
Public function void

RewindStates ( const int32 RewindFrame,
const bool bResetSolver
)

 Rewind the states from all the history states datas
Public function void

SetResimFrame ( int32 Frame
)

  
Public function void

SetTargetStateAtFrame ( FGeometryParticleHandle& Handle,
const int32 Frame,
FFrameAndPhase::EParticleHistoryPhase Phase,
const FVector& Position,
const FQuat& Quaternion,
const FVector& LinVelocity,
const FVector& AngVelocity,
const bool bShouldSleep
)

  
Public function void  

Typedefs

Name Description
FDirtyJointInfo  
FDirtyParticleInfo  

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